condition	mean	min	max
4 h after light	1.6	1.6	1.6
8 h after light	25.5	2.5	48.5
12 h after light	29.8	29.6	30.0
4 h after dark	55.0	45.4	64.6
8 h after dark	32.8	7.8	57.8
12 h after dark	17.75	4.8	30.7